WASHINGTON (AP) — The World Digital Library led by the Library of Congress reached a milestone Thursday, surpassing 10,000 items with the addition of ancient manuscripts from the Walters Art Museum in Baltimore.

Officials said the digital library’s collection has grown to include 10,037 digitized manuscripts, maps, books, prints, photographs, films, sound recordings and other cultural items. The ongoing effort is a collaborative project that includes contributions from 102 institutions in 46 different countries.